Developing the Competency of Mathematical Modelling: A Case Study of Teaching the Cosine and Sine Theorems
Keywords:
Competency, mathematical modelling, problem-solving, sine and cosine theoremsAbstract
An important goal of teaching mathematics is to form and
develop students’ abilities to apply mathematical knowledge to solve
problems arising from real life. This goal is also associated with the
evaluation of specific mathematical competencies: mathematical
thinking and reasoning, inference and proof, communication,
modelling, problem solving and representation, using mathematical
symbols and languages, using calculation tools. Among these
competencies, modelling is the capacity mentioned by educators around
the world and holds an increasingly important position in many
popular mathematics programs of several countries. The objective of this
study is to foster students’ mathematical modelling competency through
teaching sine and cosine theorems. The sample included 46 10th grade
students at Phan Thanh Giang high school, Ben Tre province, Vietnam,
and they were asked to solve numerous real-world problems associated
with the theorems. The qualitative analysis method was used to
evaluate students' performance in mathematical modelling competence.
The results were found that most of the students made progress in
mathematical modelling competency, from which they not only had the
right motivation to learn but also supported them in realising the
application of mathematics in practice.
https://doi.org/10.26803/ijlter.18.11.2
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